Mail Archives: djgpp/1997/04/24/03:44:50
At 02:57 PM 4/23/97 -0400, you wrote:
>Ok, I have a system of measuring the frame rate in my game that I
>think is pretty foolproof. I have a variable called frame_count that
>is incremented at the end of every frame. I then have an ISR which
>is called once per second. In this ISR, I copy frame_count into
>a variable called fps, then I set frame_count back to 0.
>
> Tom Grandgent
And how do you detect the end of every frame? From VGA specs I found on the
Web I read that bit 3 of 0x3CA is set during vertical retrace but I have not
been able to capture it. Am I barking up the wrong tree? Is there a
function in djgpp or Allegro that does this with less effort?
Roger Noss
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